CN105350346B - Staining method for yarns - Google Patents
Staining method for yarns Download PDFInfo
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- CN105350346B CN105350346B CN201510919048.7A CN201510919048A CN105350346B CN 105350346 B CN105350346 B CN 105350346B CN 201510919048 A CN201510919048 A CN 201510919048A CN 105350346 B CN105350346 B CN 105350346B
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- yarn
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- 238000007447 staining method Methods 0.000 title abstract 3
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 73
- 238000000034 method Methods 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 42
- 239000002904 solvent Substances 0.000 claims abstract description 15
- 239000000975 dye Substances 0.000 claims description 91
- 238000004043 dyeing Methods 0.000 claims description 78
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 23
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 21
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 11
- 235000011152 sodium sulphate Nutrition 0.000 claims description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 8
- 238000009976 warp beam dyeing Methods 0.000 claims description 4
- 239000001488 sodium phosphate Substances 0.000 claims description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 3
- 238000009974 package dyeing Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 13
- 239000010865 sewage Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 238000005086 pumping Methods 0.000 description 15
- 239000012752 auxiliary agent Substances 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 8
- 235000017550 sodium carbonate Nutrition 0.000 description 7
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 230000001502 supplementing effect Effects 0.000 description 4
- 238000009970 yarn dyeing Methods 0.000 description 4
- 235000013351 cheese Nutrition 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229940056729 sodium sulfate anhydrous Drugs 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/0032—Determining dye recipes and dyeing parameters; Colour matching or monitoring
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
- D06B3/09—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments as packages, e.g. cheeses
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
- D06P1/67366—Phosphates or polyphosphates
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention relates to a staining method for yarns. According to the staining method for the yarns, provided by the invention, a total volume Vt of dye liquor is calculated according to a preset volume sum of solutions of other dye liquor components, a preset chemical material ratio of a fixation alkaline agent and a preset concentration of the fixation alkaline agent, then the amounts of all the dye liquor components required to be added are determined according to the inventory of the yarns, the Vt and the preset concentrations of all the dye liquor components in the total volume, when a fixation alkaline agent solution is prepared, a solvent is not required to be supplemented to a constant volume before the fixation alkaline agent solution is added into a main cylinder, and the volume of the fixation alkaline agent solution and the total dye liquor volume can be known, so that the solvent used in the process can be reduced. Meanwhile, after the total volume Vt is reduced, the usage of the dye liquor components such as an assistant is reduced correspondingly, so that the usage of a chemical material is effectively reduced, and the aims of saving the solvent, the assistant and the energy, reducing sewage treatment burden and cost are achieved.
Description
Technical Field
The invention relates to the technical field of textile printing and dyeing, in particular to a yarn dyeing method.
Background
When a cheese dyeing machine or a beam dyeing machine is used for dyeing yarns, dyes and auxiliaries (such as sodium sulfate anhydrous) need to be added firstly, and the machine is started to circulate dye liquor for a period of time, so that the dyes are uniformly dispersed and adsorbed on the yarns. In the dyeing process, the volumes of the dye solution and the auxiliary agent solution used are always preset according to the cylinder type, regardless of the feed amount of the yarn. And finally, adding a color fixing alkaline agent solution into the dye vat to ensure that the dye and the yarns are reacted and fixed, thereby completing the most main steps in the dyeing process. In actual production, most factories are provided with automatic material feeding systems to accurately feed various reagents and reduce the labor amount of workers. The specific concentration or adding amount of the dye, the auxiliary agent, the fixation alkaline agent and other reagents can be specifically set according to the conditions of yarn feeding amount or dyeing process requirements and the like. After being dissolved in the automatic material system, the reagent is pumped into the auxiliary cylinder, and is pumped into the main cylinder after being supplemented with water to a proper volume. The specific steps of the traditional dyeing machine with an automatic material system during the dyeing process for adding the color fixing alkaline agent are as follows:
setting the volume of the fixing alkaline agent solution added into the main cylinder as a fixed value in advance no matter how much the fixing alkaline agent is added;
obtaining the total volume of the final dye solution based on the preset volume of the color fixing alkaline agent solution (namely adding the volume of the color fixing alkaline agent solution to the volume of other solutions, wherein the other solutions comprise an auxiliary agent solution, a dye solution and the like, and the volume of the other solutions is also preset according to the type of a dye vat);
calculating the adding amount of the color fixing alkaline agent according to the total volume of the dye liquor and the requirement of process concentration;
weighing the color fixing alkaline agent with corresponding weight through an automatic material dissolving system, and adding water for dissolving according to a set material dissolving ratio;
pumping the color-fixing alkaline agent solution dissolved according to the chemical material ratio into an auxiliary cylinder;
and adding water into the auxiliary cylinder to a set fixed value of the volume of the fixation alkaline agent solution, and pumping the fixation alkaline agent solution into the main cylinder to perform reaction fixation on the yarns.
In the process of adding the color fixing alkaline agent, no matter how much color fixing alkaline agent is added at each time, the volume of the color fixing alkaline agent solution added into the main cylinder is a fixed value through water supplement in the auxiliary cylinder, so that the total volume of the dye liquor can be conveniently known in advance, and other reagent amounts added according to the concentration, bath ratio and other related process values can be calculated. However, the water supplemented in the auxiliary vat by the method is only for making the volume of the fixing alkaline agent solution reach a fixed value so as to conveniently calculate parameters such as other reagent amount, and the like, and the method does not help the dyeing process, but increases unnecessary dyeing water, and increases the total volume of the dye liquor, so that the assistant amount added according to the concentration is increased, unnecessary waste of water, assistants and energy is caused, and the burden of sewage treatment is increased.
Disclosure of Invention
In view of the above, there is a need to provide a cost-effective yarn dyeing method.
The specific technical scheme is as follows.
A dyeing method of yarn, used for dyeing machine equipped with automatic material system, the said dyeing machine has secondary cylinder and master cylinder; the dyeing method comprises the following steps:
calculating the total volume V of the dyeing solutionGeneral assemblySaid total volume VGeneral assemblyThe calculation formula of (2) is as follows: vGeneral assemblyVe 1000/(1000-K C); wherein the total volume VGeneral assemblyThe unit of (a) is liter; ve is the sum of preset volumes of other dye solution components except the fixation alkaline agent solution, and the unit is liter; k is a preset material ratio of the color fixing alkaline agent in the automatic material system; c is in the total volume VGeneral assemblyThe preset concentration of the medium fixation alkaline agent is in grams/liter;
according to the feed amount of the yarn and the total volume VGeneral assemblyAnd other dye liquor components in the total volume VGeneral assemblyRespectively determining the use amount of other dye liquor components to be added according to the preset concentration, respectively preparing other dye liquor component solutions according to the use amounts of the other dye liquor components and the corresponding preset volumes, mixing the other dye liquor component solutions in the main cylinder, and dyeing the yarns put into the main cylinder;
according to said total volume VGeneral assemblyAnd determining the dosage of the fixation alkaline agent according to the preset concentration C of the fixation alkaline agent, and in the automatic material systemPreparing the color fixing alkaline agent solution by using the amount of an alkaline agent and a preset material ratio of the alkaline agent;
and adding the prepared fixation alkaline agent solution into the auxiliary cylinder, directly adding the fixation alkaline agent solution into the main cylinder without adding a solvent in the auxiliary cylinder, and then reacting and fixing the dye and the yarns.
In one embodiment, the fixing alkaline agent is at least one of sodium carbonate, sodium hydroxide, sodium phosphate and potassium hydroxide.
In one embodiment, the other dye liquor components comprise dyes and auxiliaries.
In one embodiment, the adjuvant comprises anhydrous sodium sulphate.
In one embodiment, the other dye liquor component solutions are prepared according to the usage amount and the corresponding preset volume of each other dye liquor component, and are mixed in the main cylinder, specifically: and respectively preparing each solution in the automatic material dissolving system according to the material dissolving ratio and the dosage of the corresponding dye liquor components, respectively adding the solutions to the auxiliary cylinder, and finally respectively adding the solutions to the main cylinder for mixing.
In one embodiment, the adding step further comprises adding the solution to the secondary cylinder and finally the primary cylinder respectively for mixing, and the step of adding the solvent to the corresponding solution in the secondary cylinder or the primary cylinder to reach the corresponding preset volume.
In one embodiment, the dyeing machine is a batch dyeing machine.
In one embodiment, the batch dyeing machine is a cheese dyeing machine or a beam dyeing machine.
Compared with the prior art, the invention has the following beneficial effects:
the dyeing method of the yarn provided by the invention fixes the color according to the sum of the preset volumes of other dye solution componentsCalculating V by the preset chemical material ratio of the alkaline agent and the preset concentration of the color-fixing alkaline agentGeneral assemblyThen according to the feeding amount and V of the yarnGeneral assemblyAnd the preset concentration of each dye liquor component in the total volume determines the amount of each dye liquor component to be added, and when the color fixing alkaline agent solution is prepared, the volume of the color fixing alkaline agent solution and the total dye liquor volume can be obtained without supplementing a solvent to a fixed volume before adding the color fixing alkaline agent solution into the main cylinder, so that the solvent used in the process can be reduced. At the same time, the total volume V of the dyeing liquorGeneral assemblyAfter the reduction, the use level of dye liquor components such as the auxiliary agent and the like is correspondingly reduced, thereby effectively reducing the use level of chemical materials, and achieving the purposes of saving solvent, auxiliary agent and energy and reducing the burden and cost of sewage treatment.
Drawings
Fig. 1 is a flow chart of a method of dyeing a yarn according to one embodiment.
Detailed Description
The method for dyeing the yarn of the present invention is described in further detail below with reference to the accompanying drawings and specific examples.
The present embodiment provides a method of dyeing yarn. The dyeing method is mainly used for dyeing machines with automatic material systems, such as batch dyeing machines like cheese dyeing machines or beam dyeing machines. The dyeing machine has a sub-cylinder and a main cylinder. As shown in fig. 1, the dyeing method includes the steps of:
step S110, calculating the total volume V of the dye liquorGeneral assemblyTotal volume VGeneral assemblyThe calculation formula of (2) is as follows: vGeneral assemblyVe 1000/(1000-K C); wherein the total volume VGeneral assemblyThe unit of (a) is liter; ve is the sum of preset volumes of other dye solution components except the fixation alkaline agent solution, and the unit is liter; k is a preset material ratio of the color fixing alkaline agent in an automatic material system; c is in the total volume VGeneral assemblyThe preset concentration of the medium fixation alkaline agent is in grams/liter.
Most dyeing factories dye according to the standard, namely, the dye formula is determined according to the sample standard and color matching, and the dye formula is different in most cases. The process requirement concentration of the fixation alkaline agent is determined by the dye dosage which is determined according to the feeding amount of the yarns, so that the dosage of the fixation alkaline agent can change along with the feeding amount of the yarns, namely the addition amount of the fixation alkaline agent is a variable value. The total volume of the dye liquor and the volume of the color fixing alkaline agent solution dissolved in the automatic material system in proportion are also variable values. Therefore, the present embodiment calculates the total volume V of the dyeing solutionGeneral assemblyThen according to the feeding amount of the yarn and VGeneral assemblyAnd determining and preparing a dye solution, an auxiliary agent solution and a fixation alkaline agent solution respectively, and then performing dyeing treatment and fixation treatment on the yarns in the dye vat. Total volume V of dyeing liquorGeneral assemblyDetermined by the following equation:
①V+Ve＝Vgeneral assembly
②VGeneral assembly*C＝W*1000
③W*K＝V
Finally obtaining VGeneral assembly：
VGeneral assembly＝Ve*1000/(1000-K*C)
Wherein,
v is the volume of the fixation alkaline agent solution, and the unit is liter (L);
ve is the sum of the volume of the preset auxiliary solution and the volume of the preset dye solution, and the unit is liter (L);
c is the preset concentration of the fixation alkaline agent, and the unit is gram/liter (g/L);
w is the total mass of the fixation alkaline agent, and the unit is kilogram (kg);
k is the chemical material ratio of the color fixing alkaline agent in the automatic chemical material system.
In the present embodiment, the fixing alkali agent is at least one of sodium carbonate, sodium hydroxide, sodium phosphate, and potassium hydroxide. Other dye liquor components comprise components such as dye, auxiliary agents and the like, wherein the auxiliary agents comprise components such as anhydrous sodium sulphate and the like.
Calculating the total volume of the dye liquor according to three known conditions of the sum of the volume of the preset auxiliary agent solution and the volume of the preset dye solution, the preset concentration of the fixation alkaline agent and the chemical-to-material ratio, and obtaining process information values such as other auxiliary agents through the total volume of the dye liquor and the preset concentration of each component in the dye liquor, thereby realizing normal production.
Step S120, according to the feeding amount and the total volume V of the yarnsGeneral assemblyOther dye liquor components in total volume VGeneral assemblyThe preset concentration in the process determines the dosage of other dye liquor components which need to be added, other dye liquor component solutions are prepared according to the dosage of the other dye liquor components and the corresponding preset volume, the other dye liquor component solutions are mixed in a main cylinder, and the yarn which is put into the main cylinder is dyed.
The method comprises the steps of preparing other dye liquor component solutions according to the use amounts and corresponding preset volumes of other dye liquor components, mixing the other dye liquor component solutions in a main cylinder, specifically, preparing the solutions according to the chemical material ratios and the use amounts of the corresponding dye liquor components in an automatic chemical material system, adding the solutions to an auxiliary cylinder, and finally adding the solutions to the main cylinder for mixing. Further, in this embodiment, in the process of adding each solution to the secondary tank and finally to the main tank, respectively, for mixing, the method further includes the step of adding a solvent to the corresponding solution in the secondary tank or the main tank to reach a corresponding preset volume.
Step S130, according to the total volume VGeneral assemblyAnd determining the dosage of the fixation alkaline agent according to the preset concentration C of the fixation alkaline agent, and preparing a fixation alkaline agent solution according to the dosage of the fixation alkaline agent and the preset chemical ratio thereof in an automatic chemical system.
And step S140, adding the prepared color-fixing alkaline agent solution into an auxiliary cylinder, directly adding the color-fixing alkaline agent solution into a main cylinder without adding a solvent in the auxiliary cylinder, and then performing reaction color fixing on the dye and the yarns.
The yarn dyeing method provided by the embodiment can omit the step of adding the color fixing alkaline agent to the auxiliary cylinder and then supplementing the solvent, namely, the automatic material system dissolves the color fixing alkaline agent according to the preset material ratio and pumps the color fixing alkaline agent to the auxiliary cylinder, and then directly sends a signal to the dyeing machine to start pumping the color fixing alkaline agent solution into the main cylinder.
The "preset" in the present embodiment means that the preset is performed according to the process requirement and/or the dye vat type of the dyeing machine. The "material ratio" refers to the ratio of the weight of the solvent to the weight of the corresponding component when the auxiliary agent is dissolved by the automatic material system. The solvent is preferably water.
The following is the examples section.
Comparative example 1 and example 1 provide two separate methods of dyeing pure cotton yarn with dye. In comparative example 1 and example 1, the dye amount was 4% (relative to the weight of the yarn), the process requirement concentration of soda was 15g/L, the soda ash ratio was 1: 3, the required concentration of the anhydrous sodium sulphate is 50 g/L.
Comparative example 1 conventional dyeing method
For the traditional dyeing process, the total volume of the dye liquor is only related to the vat type, namely once the dye vat used for dyeing is determined, the total volume of the dye liquor is always a fixed value no matter how much the specific auxiliary agent is used. For example, in the dyeing task of this comparative example, a certain dye vat with a diameter of 2000mm is required, and the preset values of the volume of the solution in each step are as follows: when adding dye, 300L; when adding soda ash, 400L; others, 3500L; total volume of solution, 4200L. The dyeing process is as follows:
dissolving anhydrous sodium sulphate (4200L by 50g/L/1000 to 210kg) into a solution by an automatic material melting system, and pumping the solution into a secondary cylinder;
after the yarn is put into the tank, pumping the anhydrous sodium sulphate solution into a main cylinder, and simultaneously adding water until the total volume reaches 3500L;
dissolving the dye by an automatic material system, pumping into an auxiliary cylinder, and adding water to 300L;
pumping the dye solution in the auxiliary tank into the main tank, starting the main pump to circulate the dye solution, and heating for dyeing;
soda ash (4200L by 15g/L to 63kg) was mixed by an automated feed system as 1: 3, dissolving to obtain 189L of solution, pumping into an auxiliary tank in the dyeing process, and supplementing water to 400L (namely 211L of water supplement);
and after the dye liquor circulates for 30 minutes, pumping the soda solution in the auxiliary vat into the main vat, and continuing to circularly dye until the dyeing is finished.
Embodiment 1 energy-saving and water-saving dyeing method
The energy-saving and water-saving yarn dyeing method of the embodiment has the following operation flows:
total volume V of dyeing liquorGeneral assemblyThe prediction needs to be performed according to the following conditions:
the sum of the volume of anhydrous sodium sulphate solution preset by the dye vat type of the dyeing machine and the volume of the preset dye solution is the same as that in the comparative example, and comprises 3500L of anhydrous sodium sulphate and pure water, 300L of dye and pure water, and 3800L of solution;
the calculation formula is as follows: vGeneral assembly＝Ve*1000/(1000-K*C)，
Wherein,
ve is the sum of the volume of the preset anhydrous sodium sulphate solution and the volume of the preset dye solution, L;
c: the process requirement concentration of the sodium carbonate is g/L;
k: the chemical material ratio of the calcined soda in the automatic chemical material system;
i.e. VGeneral assembly＝3800*1000/(1000-3*15)＝3979.06L。
According to VGeneral assemblyThe required amount of the calcined soda is (3979.06L 15g/L/1000)59.69kg,the amount of anhydrous sodium sulfate is (3979.06L 50g/L/1000)198.95 kg.
After the dosage of the related auxiliary agent is calculated, the production is carried out according to the following steps:
dissolving anhydrous sodium sulphate (198.95kg) into a solution by an automatic material melting system, and pumping the solution into an auxiliary cylinder;
after the yarn is put into the tank, pumping the anhydrous sodium sulphate solution into a main cylinder, and simultaneously replenishing water to 3500L;
dissolving the dye by an automatic material system, pumping into an auxiliary cylinder, and supplementing water to 300L;
and pumping the dye solution in the auxiliary tank into the main tank, starting the main pump to circulate the dye solution, and heating for dyeing.
Soda ash (59.69kg) was added by an automated feed system in a ratio of 1: 3, dissolving to obtain 179.07L solution, and pumping into an auxiliary tank in the dyeing process;
and after the dye liquor circulates for 30 minutes, pumping the soda solution in the auxiliary vat into the main vat, and continuing to circularly dye until the dyeing is finished.
The yarn color after dyeing of both the comparative example 1 and comparative example 1 was measured by a color measuring and matching instrument, and the results are shown in table 1. As can be seen from table 1, the value of DEcmc is 0.64, which is less than 0.7, which indicates that the dyeing effect of the energy-saving and water-saving dyeing process is very small in difference from that of the traditional dyeing process, and the difference of other results is also small, thereby proving that the dyeing effect of the dyeing process provided by the embodiment is not affected while saving energy and water, reducing the sewage treatment burden and reducing the cost.
TABLE 1 comparison of dyeing results
Note: and testing the color difference between the yarn dyed by the energy-saving and water-saving process and the standard yarn by taking the yarn dyed by the traditional process as the standard.
The above example 1 and comparative example 1 are mainly used to illustrate the dyeing results of different dyeing methods, and it should be understood that the specific components such as various auxiliary agents or fixation alkaline agents used therein can be replaced by other general-purpose agents.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be defined by the appended claims.
Claims (8)
1. A dyeing method of yarn, used for dyeing machine equipped with automatic material system, the said dyeing machine has secondary cylinder and master cylinder; characterized in that the dyeing method comprises the following steps:
calculating the total volume V of the dyeing solutionGeneral assemblySaid total volume VGeneral assemblyThe calculation formula of (2) is as follows: vGeneral assemblyVe 1000/(1000-K C); wherein the total volume VGeneral assemblyThe unit of (a) is liter; ve is the sum of preset volumes of other dye solution components except the fixation alkaline agent solution, and the unit is liter; k is the presetting of the fixation alkaline agent in the automatic material systemMaterial mixing ratio; c is in the total volume VGeneral assemblyThe preset concentration of the medium fixation alkaline agent is in grams/liter;
according to the feed amount of the yarn and the total volume VGeneral assemblyAnd other dye liquor components in the total volume VGeneral assemblyRespectively determining the use amount of other dye liquor components to be added according to the preset concentration, respectively preparing other dye liquor component solutions according to the use amounts of the other dye liquor components and the corresponding preset volumes, mixing the other dye liquor component solutions in the main cylinder, and dyeing the yarns put into the main cylinder;
according to said total volume VGeneral assemblyDetermining the dosage of the fixation alkaline agent according to the preset concentration C of the fixation alkaline agent, and preparing the fixation alkaline agent solution according to the dosage of the fixation alkaline agent and the preset material ratio in the automatic material system;
and adding the prepared fixation alkaline agent solution into the auxiliary cylinder, directly adding the fixation alkaline agent solution into the main cylinder without adding a solvent in the auxiliary cylinder, and then reacting and fixing the dye and the yarns.
2. A process for dyeing a yarn as claimed in claim 1 wherein said fixing alkaline agent is at least one of sodium carbonate, sodium hydroxide, sodium phosphate and potassium hydroxide.
3. A process for dyeing a yarn as claimed in claim 1 wherein said other dye liquor components include dyes and auxiliaries.
4. A method of dyeing a yarn according to claim 3 wherein the adjunct comprises anhydrous sodium sulphate.
5. The method for dyeing yarn according to any one of claims 1 to 4, characterized in that the other dye liquor component solutions are prepared according to the usage amount and the corresponding preset volume of the other dye liquor components, and the other dye liquor component solutions are mixed in the main cylinder, specifically: and respectively preparing each solution in the automatic material dissolving system according to the material dissolving ratio and the dosage of the corresponding dye liquor components, respectively adding the solutions to the auxiliary cylinder, and finally respectively adding the solutions to the main cylinder for mixing.
6. A method of dyeing a yarn according to claim 5 wherein said solutions are separately added to said secondary tank and finally separately added to said primary tank for mixing, and further comprising the step of adding solvent to the respective solutions in either said secondary tank or said primary tank to a predetermined volume.
7. A method of dyeing a yarn as claimed in claim 1 wherein said dyeing machine is a batch dyeing machine.
8. A method of dyeing a yarn as claimed in claim 7 wherein said batch dyeing machine is a package dyeing machine or a beam dyeing machine.
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|---|---|---|---|---|
| CN107503172A (en) * | 2017-08-30 | 2017-12-22 | 广州弘雅服装科技有限公司 | A kind of colouring method of colorful yarn |
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